t2ex/t2ex_source/lib/libc/src/time/time.c | bare source | permlink (0.02 seconds) |
1: /* 2: *---------------------------------------------------------------------- 3: * T2EX Software Package 4: * 5: * Copyright 2012 by Ken Sakamura. 6: * This software is distributed under the latest version of T-License 2.x. 7: *---------------------------------------------------------------------- 8: * 9: * Released by T-Engine Forum(http://www.t-engine.org/) at 2012/12/12. 10: * Modified by TRON Forum(http://www.tron.org/) at 2015/06/04. 11: * 12: *---------------------------------------------------------------------- 13: */ 14: /* 15: * This software package is available for use, modification, 16: * and redistribution in accordance with the terms of the attached 17: * T-License 2.x. 18: * If you want to redistribute the source code, you need to attach 19: * the T-License 2.x document. 20: * There's no obligation to publish the content, and no obligation 21: * to disclose it to the TRON Forum if you have modified the 22: * software package. 23: * You can also distribute the modified source code. In this case, 24: * please register the modification to T-Kernel traceability service. 25: * People can know the history of modifications by the service, 26: * and can be sure that the version you have inherited some 27: * modification of a particular version or not. 28: * 29: * http://trace.tron.org/tk/?lang=en 30: * http://trace.tron.org/tk/?lang=ja 31: * 32: * As per the provisions of the T-License 2.x, TRON Forum ensures that 33: * the portion of the software that is copyrighted by Ken Sakamura or 34: * the TRON Forum does not infringe the copyrights of a third party. 35: * However, it does not make any warranty other than this. 36: * DISCLAIMER: TRON Forum and Ken Sakamura shall not be held 37: * responsible for any consequences or damages caused directly or 38: * indirectly by the use of this software package. 39: * 40: * The source codes in bsd_source.tar.gz in this software package are 41: * derived from NetBSD or OpenBSD and not covered under T-License 2.x. 42: * They need to be changed or redistributed according to the 43: * representation of each source header. 44: */ 45: 46: /* 47: * @(#)time.c 48: * 49: */ 50: 51: #include <basic.h> 52: #include <time.h> 53: #include <errno.h> 54: #include <tk/tkernel.h> 55: 56: LOCAL time_t time_eno(time_t *tloc, errno_t *eno) 57: { 58: time_t t; 59: SYSTIM st; 60: if (tk_get_tim( &st ) < E_OK) { 61: if (eno) *eno = ERANGE; 62: return -1; 63: } 64: 65: t = (((long long)st.hi << 32) | st.lo) / 1000 66: + ((365 * (1985 - 1970) + 4) * 24 * 60 * 60); 67: if (tloc) *tloc = t; 68: return t; 69: } 70: 71: EXPORT time_t time(time_t *tloc) 72: { 73: return time_eno(tloc, NULL); 74: }